Question

Solve the equation, x^2 - 2x - 8 = 0 by completing the square.

Answer 1

x^2 - 2x - 8 = 0
(x-4)(x+2) = 0
x - 4 = 0  then x = 4
x +2 = 0 then x = -2

answer is A. x = 4 or x = -2

Answer 2

D). Is the correct answer! 
x2 + 2x – 8 = 0 
(x + 4)(x – 2) = 0 
x = –4  or  x = 2